How to use _compile_rule method in Gherkin-python

Best Python code snippet using gherkin-python

parser_v2.py

Source:parser_v2.py

...227        self.prefixes = {}228        for key in self.grammar:229            self.prefixes[key] = self.get_prefixes(key)230    def compile_repeat(self, rule):231        rule_parser = self._compile_rule(rule['repeat'])232        @self.parser('repeat',rule=rule, emit=False)233        def repeat_parser(state, context):234            cnt=0235            current_state = state236            while True:237                try:238                    current_state = rule_parser(current_state, context)239                    cnt+=1240                except ParserError:241                    break242            if cnt == 0:243                raise ParserError244            return current_state245        return repeat_parser246    def compile_optional(self, rule):247        rule_parser = self._compile_rule(rule['optional'])248        @self.parser('optional',rule=rule, emit=False)249        def optional_parser(state, context):250            try:251                return rule_parser(state, context)252            except ParserError as me:253                return state254        return optional_parser255    def compile_or(self, rule):256        alternative_parsers = []257        alternatives = rule['or']258        for i,alternative in enumerate(alternatives):259            alternative_parsers.append((alternative,self._compile_rule(alternative)))260        @self.parser('or',rule=rule, emit=False)261        def or_parser(state, context):262            """263            Pass in context object that contains information about the following things:264            * Which rule has called this one?265            *266            """267            found = False268            for alternative,alternative_parser in alternative_parsers:269                try:270                    return alternative_parser(state, context)271                except ParserError as pe:272                    continue273            else:274                raise ParserError("No alternative matched!")275        return or_parser276    def compile_not(self, rule):277        rule_parser = self._compile_rule(rule['not'])278        @self.parser('not',rule=rule, emit=False)279        def not_parser(state, context):280            try:281                rule_parser(state, context)282            except ParserError:283                return state284            raise ParserError("not condition did match!")285        return not_parser286    def compile_and(self, rule):287        rule_parser = self._compile_rule(rule['and'])288        @self.parser('and',rule=rule, emit=False)289        def and_parser(state, context):290            try:291                rule_parser(state, context)292                return state293            except ParserError:294                raise ParserError("and condition did not match!")295        return and_parser296    def compile_sequence(self, rules):297        """298        Increase the level by one for each element in the sequence299        """300        parsers = []301        for i,rule in enumerate(rules):302            ps = self._compile_rule(rule)303            if ps is None:304                raise AttributeError305            parsers.append((rule,ps))306        @self.parser('sequence', rule=rules,emit=False)307        def sequence_parser(state, context):308            """309            * Execute the first parser on the state310            * For each returned state, execute the second parser311            * For each returned state, execute the third parser...312            """313            current_state = state.copy()314            for rule,parser in parsers:315                current_state = parser(current_state, context)316            return current_state317        return sequence_parser318    def compile(self, debug=True):319        self.parsers = {}320        return self._compile_rule('start')321    def resolve_rule(self,name):322        func = getattr(self,'compile_{}'.format(name.replace('-','_')))323        return func324    def rule_prefix(self,rule_name):325        return set([])326    def can_proceed(self, rule, state):327        return True328    def get_prefixes(self,rule,visited_rules = None):329        if visited_rules is None:330            visited_rules = set()331        prefixes = set()332        get_prefixes = lambda rule: self.get_prefixes(rule,visited_rules=visited_rules)333        if isinstance(rule, (str,unicode)):334            if rule in visited_rules:335                return set([])336            visited_rules|=set([rule])337            if rule in self.grammar:338                return get_prefixes(self.grammar[rule])339            else:340                return self.rule_prefix(rule)341        elif isinstance(rule,(tuple,list)):342            for i,subrule in enumerate(rule):343                subrule_prefixes = get_prefixes(subrule)344                if (not subrule_prefixes and not prefixes) or (None in subrule_prefixes):345                    prefixes |= subrule_prefixes - set([None])346                else:347                    prefixes |= subrule_prefixes348                    break349        elif isinstance(rule,dict) and len(rule) == 1:350            key,value = rule.items()[0]351            if key == 'or':352                for subrule in value:353                    prefixes |= get_prefixes(subrule)354            elif key in ('and','repeat'):355                prefixes |= get_prefixes(value)356            elif key == 'not':357                #not sure if this is the right way to handle not358                return set([None])359#                prefixes |= {('not',prefix) for prefix in get_prefixes(value)}360            elif key == 'optional':361                prefixes |= set([None])362                prefixes |= get_prefixes(value)363            else:364                return self.rule_prefix(rule)365        else:366            raise ValueError("Invalid rule!")367    def _compile_rule(self, name_or_rule):368        name = None369        if isinstance(name_or_rule,(str,unicode)):370            name = name_or_rule371            if name in self.parsers:372                return self.parsers[name]373            try:374                rule = self.grammar[name]375            except KeyError:376                try:377                    func = self.resolve_rule(name)378                    return func()379                except AttributeError:380                    raise ParserError("Unknown rule: {}".format(name))381        else:382            rule = name_or_rule383        def parse_subrule(rule, name=None):384            rule_name = rule.keys()[0]385            try:386                func = self.resolve_rule(rule_name)387            except AttributeError:388                raise ParserError("Unknown rule: {}".format(rule_name))389            subparser = func(rule)390            if name:391                @self.parser(name,rule=name,emit=True)392                def name_parser(state, context):393                    return subparser(state, context)394                self.parsers[name] = name_parser395                return name_parser396            return subparser397        #this allows definition of recursive parsing rules via a simple function call398        if name:399            #this will lead to infinite recursion if the parser is not replaced!400            def subrule_parser(state, context):401                return self.parsers[name](state, context)402            self.parsers[name] = subrule_parser403        if isinstance(rule,(list,tuple)):404            sequence_parser = self.compile_sequence(rule)405            if name:406                @self.parser(name,rule=name,emit=True)407                def subrule_parser(state, context):408                    return sequence_parser(state, context)409                self.parsers[name] = subrule_parser410                return subrule_parser411            return sequence_parser412        elif isinstance(rule,dict) and len(rule) == 1:413            return parse_subrule(rule, name=name)414        elif isinstance(rule,(str,unicode)):415            ps = self._compile_rule(rule)416            @self.parser(name,rule=rule,emit=True)417            def subrule_parser(state, context):418                return ps(state, context)419            self.parsers[name] = subrule_parser420            return subrule_parser421        raise ParserError("Unknown rule: {}".format(name or name_or_rule or '(no name given)'))422class StringParserGenerator(BaseParserGenerator):423    """424    Generating an abstract syntax tree is done implictly by each rule425    """426    def parser(self,name,rule=None, emit=True):427        def dec(f):428            def decorated_function(state, context, *args, **kwargs):429                new_context = Context(context.level+1,name,context)430                #print("{}{} {}:{}".format(" "*new_context.level,new_context.name,state.line,state.col))431                i = len(state.tokens)432                result = f(state, new_context, *args, **kwargs)433                if emit:434                    #this rule was successful, we can create a node in the parse tree for it435                    children = result.tokens[i:]436                    result.tokens = result.tokens[:i]437                    new_token = state.create_token(name,state.value[:result.pos-state.pos],push=False)438                    result.tokens.append(new_token)439                    if children:440                        new_token['c'] = children441                return result442            return decorated_function443        return dec444    def rule_prefix(self,rule):445        if isinstance(rule,(str,unicode)):446            return set([rule])447        elif isinstance(rule,dict) and len(rule) == 1:448            key,value = rule.items()[0]449            if key == 'literal':450                return set([value])451            elif key == 'regex':452                return set([('regex',value)])453        else:454            raise ValueError455    def compile_eof(self):456        @self.parser('eof',rule='eof', emit=True)457        def eof_parser(state, context):458            if state.value != '':459                raise ParserError("Expected EOF")460            return state461        return eof_parser462    def compile_indent(self):463        @self.parser('indent',rule='indent', emit=False)464        def indent_parser(state, context):465            """466            * Match the indentation467            * Compare the matched indentation to the current one.468            * If it is longer, emit a CURRENT_INDENT INDENT token sequence469            * If it is shorter, emit a DEDENT+ CURRENT_INDENT token sequence470            """471            indent_str = re.match(r'^[ \t]*',state.value).group(0)472            new_state = state.copy()473            indents = new_state.store.get('indent',[''])474            current_indent = indents[-1]475            if indent_str == current_indent:476                #yield a CURRENT_INDENT token477                new_state.create_token('current_indent',indent_str,ignore=True)478                new_state.advance(len(indent_str))479                return new_state480            elif len(indent_str) > len(current_indent) and indent_str[:len(current_indent)] == current_indent:481                #this is an indentation482                new_state.create_token('current_indent',current_indent,ignore=True)483                new_state.advance(len(current_indent))484                new_indent = indent_str[len(current_indent):]485                new_state.create_token('indent',new_indent)486                new_state.advance(len(new_indent))487                indents.append(indent_str)488                new_state.store['indent'] = indents489                return new_state490            else:491                #this should be a dedentation492                possible_indents = indents[:-1]493                cnt = 0494                while True:495                    if not possible_indents:496                        raise ParserError("Dedentation does not match!")497                    cnt+=1498                    possible_indent = possible_indents.pop(-1)499                    if possible_indent == indent_str:500                        for i in range(cnt):501                            new_state.create_token('dedent','')502                        new_state.create_token('current_indent',possible_indent,ignore=True)503                        new_state.store['indent'] = possible_indents+[possible_indent]504                        new_state.advance(len(indent_str))505                        return new_state506        return indent_parser507    def compile_regex(self, rule):508        regex = rule['regex']509        #DOTALL is necessary to match newlines510        compiled_regex = re.compile('^{}'.format(regex),re.DOTALL)511        @self.parser('regex', rule=rule)512        def regex_parser(state, context):513            match = compiled_regex.match(state.value)514            if match:515                s = match.group(0)516                context.debug("match!")517                new_state = state.copy()518                new_state.result = s519                new_state.advance(len(s))520                return new_state521            else:522                raise ParserError("Regex not matched: {}".format(regex))523        return regex_parser524    def compile_literal(self, rule):525        value = rule['literal']526        if isinstance(value, dict):527            value = self._compile_rule(value)528        @self.parser('literal',rule=rule)529        def literal_parser(state, context):530            if callable(value):531                v = value(state, context)532            else:533                v = value534            found_value = state.value[:len(v)]535            if found_value != v:536                raise ParserError("Expected {}, but found '{}'".format(value, found_value))537            context.debug(v)538            new_state = state.copy()539            new_state.advance(len(v))540            new_state.result = v541            return new_state...

parser_old.py

Source:parser_old.py

...132            yield new_state133        return ref_parser134    def compile_ast_list(self, props, url):135        name = props.get('name')136        rule_parser = self._compile_rule(props['value'], url+'.ast-list')137        @parser('ast-list', url)138        def ast_list_parser(state, context):139            l = []140            current_node = state.current_node141            state.current_node = l142            try:143                for new_state in rule_parser(state, context):144                    if isinstance(current_node,dict) and name:145                        new_current_node = new_state.current_node146                        new_state.current_node = current_node.copy()147                        new_state.current_node[name] = new_current_node148                    yield new_state149            finally:150                state.current_node = current_node151        return ast_list_parser152    def compile_ast_prop(self, props, url):153        name = props.get('name')154        value_parser = self._compile_rule(props['value'], url+'.ast-prop')155        @parser('ast-prop', url)156        def ast_prop_parser(state, context):157            for new_state in value_parser(state, context):158                current_node = new_state.current_node159                if isinstance(current_node,dict):160                    current_node[name] = new_state.result161                yield new_state162        return ast_prop_parser163    def compile_ast_node(self, props, url):164        """165        Create a new AST node.166        * If the current node is a list, appends the new node to it167        * If the current node is a dict, puts the new node in the key given by name (if provided)168        * If none of these things match, does nothing169        """170        rule_parser = self._compile_rule(props['value'], url+'.ast-node')171        name = props.get('name')172        @parser('ast-node', url)173        def ast_node_parser(state, context):174            d = {}175            d.update(props.get('props',{}))176            current_node = state.current_node177            state.current_node = d178            try:179                for new_state in rule_parser(state, context):180                    new_current_node = new_state.current_node181                    if isinstance(current_node,list):182                        new_state.current_node = current_node[:]183                        new_state.current_node.append(new_current_node)184                    elif isinstance(current_node,dict):185                        new_state.current_node = current_node.copy()186                        if name:187                            new_state.current_node[name] = new_current_node188                        else:189                            new_state.current_node.update(new_current_node)190                    yield new_state191            finally:192                state.current_node = current_node193        return ast_node_parser194    def compile_repeat(self, rule, url):195        rule_parser = self._compile_rule(rule, url+'.repeat')196        @parser('repeat', url)197        def repeat_parser(state, context):198            cnt=0199            current_state = state200            states_to_repeat=[state]201            states_to_yield = []202            productions = []203            while states_to_repeat or states_to_yield or productions:204                if states_to_repeat:205                    current_state=states_to_repeat.pop()206                    states_to_yield.append(current_state)207                    try:208                        production=rule_parser(current_state, context)209                        new_state = next(production)210                        #if the production does not advance the state, we reject it...211                        if new_state.pos == current_state.pos:212                            continue213                        productions.append(production)214                        states_to_repeat.append(new_state)215                    except (ParserError, StopIteration) as e :216                        continue217                elif states_to_yield:218                    state_to_yield = states_to_yield.pop()219                    cnt +=1220                    if state_to_yield != state:221                        yield state_to_yield222                elif productions:223                    production = productions[-1]224                    try:225                        new_state = next(production)226                        states_to_yield.append(new_state)227                    except (ParserError,StopIteration):228                        productions.pop()229            if cnt==0:230                raise ParserError("Not matched!")231        return repeat_parser232    def compile_optional(self, rule, url):233        rule_parser = self._compile_rule(rule, url+'.optional')234        @parser('optional', url)235        def optional_parser(state, context):236            try:237                for new_state in rule_parser(state, context):238                    yield new_state239            except ParserError as me:240                pass241            yield state242        return optional_parser243    def compile_store(self, args, url):244        name = args['name']245        value = args['value']246        value_parser = self._compile_rule(value, url+'.store')247        @parser('store', url)248        def store_parser(state, context):249            for ns in value_parser(state, context):250                new_state = state.copy()251                new_state.result = ns.result252                yield new_state253        return store_parser254    def compile_literal(self, value, url):255        if isinstance(value, dict):256            value = self._compile_rule(value, url+'.literal')257        @parser('literal', url)258        def literal_parser(state, context):259            context.debug(value)260            if callable(value):261                v = value(state, context)262            else:263                v = value264            found_value = state.value[:len(v)]265            if found_value != v:266                raise ParserError("Expected {}, but found '{}'".format(value, found_value))267            context.debug(v)268            new_state = state.copy()269            new_state.advance(len(v))270            new_state.result = v271            yield new_state272        return literal_parser273    def compile_python_code(self, code, url):274        gv = globals().copy()275        gv['url'] = url276        exec(code,gv,gv)277        return gv['parser']278    def compile_or(self, alternatives, url):279        alternative_parsers = []280        for i,alternative in enumerate(alternatives):281            alternative_parsers.append((alternative,self._compile_rule(alternative, url+'.or.{}'.format(i))))282        @parser('or', url)283        def or_parser(state, context):284            """285            Pass in context object that contains information about the following things:286            * Which rule has called this one?287            *288            """289            found = False290            alternative_productions = []291            for params,alternative_parser in alternative_parsers:292                try:293                    alternative_productions.append(alternative_parser(state, context))294                except ParserError as me:295                    continue296            i = 0297            while alternative_productions:298                production = alternative_productions[i%len(alternative_productions)]299                try:300                    new_state = next(production)301                    found = True302                    yield new_state303                    i+=1304                except (ParserError,StopIteration):305                    alternative_productions.remove(production)306            if not found:307                raise ParserError("No alternative matched!")308        return or_parser309    def compile_sequence(self, rules, url):310        """311        Increase the level by one for each element in the sequence312        """313        parsers = []314        for i,rule in enumerate(rules):315            ps = self._compile_rule(rule, url+'.seq.{}'.format(i))316            if ps is None:317                raise AttributeError318            parsers.append(ps)319        @parser('sequence', url)320        def sequence_parser(state, context):321            """322            * Execute the first parser on the state323            * For each returned state, execute the second parser324            * For each returned state, execute the third parser...325            """326            def parse_sequence(state, parsers):327                parser = parsers.pop(0)328                for new_state in parser(state, context):329                    if parsers:330                        try:331                            for new_new_state in parse_sequence(new_state, parsers[:]):332                                yield new_new_state333                        except ParserError:334                            continue335                    else:336                        yield new_state337            for new_state in parse_sequence(state, parsers[:]):338                yield new_state339        return sequence_parser340    def compile(self, debug=True):341        self.parsers = {}342        return self._compile_rule('start', '')343    def _compile_rule(self, name_or_rule, url):344        """345        Takes a YAML grammar as input and returns a Python parser function that can be346        called with a Stream instance and a state as arguments.347        """348        name = None349        if isinstance(name_or_rule,(str,unicode)):350            name = name_or_rule351            if name in self.parsers:352                return self.parsers[name]353            rule = self.grammar[name]354        else:355            rule = name_or_rule356        if name:357            new_url = url+'.'+name358        else:359            new_url = url360        def parse_subrule(rule, name=None):361            rule_name = rule.keys()[0]362            args = rule.values()[0]363            if rule_name == '$python':364                result = self.compile_python_code(args, url+'.{}'.format(name))365                if name:366                    self.parsers[name] = result367                return result368            try:369                func = getattr(self,'compile_{}'.format(rule_name.replace('-','_')))370            except AttributeError:371                raise ParserError("Unknown rule: {}".format(rule_name))372            subparser = func(args, new_url)373            @parser(rule_name, None)374            def subrule_parser(state, context):375                for result in subparser(state, context):376                    yield result377            if name:378                @parser(name, None)379                def name_parser(state, context):380                    for result in subrule_parser(state, context):381                        yield result382                self.parsers[name] = name_parser383                return name_parser384            return subrule_parser385        #this allows definition of recursive parsing rules via a simple function call386        if name:387            #this will lead to infinite recursion if the parser is not replaced!388            @parser(name, url)389            def subrule_parser(state, context):390                for result in self.parsers[name](state, context):391                    yield result392            self.parsers[name] = subrule_parser393        if isinstance(rule,(list,tuple)):394            sequence_parser = self.compile_sequence(rule, new_url)395            if name:396                @parser(name, None)397                def subrule_parser(state, context):398                    for result in sequence_parser(state, context):399                        yield result400                self.parsers[name] = subrule_parser401                return subrule_parser402            return sequence_parser403        elif isinstance(rule,dict) and len(rule) == 1:404            return parse_subrule(rule, name=name)405        elif isinstance(rule,(str,unicode)):406            new_new_url = new_url+'.'+rule407            ps = self._compile_rule(rule, new_new_url)408            @parser(name, None)409            def subrule_parser(state, context):410                for result in ps(state, context):411                    yield result412            self.parsers[name] = subrule_parser413            return subrule_parser414        raise ParserError("Unknown rule: {}".format(name or name_or_rule or '(no name given)'))415if __name__ == '__main__':416    import sys417    sys.setrecursionlimit(100000)418    if len(sys.argv) < 3:419        sys.stderr.write("Usage: {} [grammar filename] [code filename]\n".format(os.path.basename(__file__)))420        exit(-1)421    grammar_filename = sys.argv[1]...

project.py

Source:project.py

...93        Assert that there's no legacy filter.py code hooked up.94        '''95        assert self.filter_py is None96        for rule in rules:97            self.rules.extend(self._compile_rule(rule))98    def add_child(self, child):99        self.children.append(child)100    def set_locales(self, locales, deep=False):101        self.locales = locales102        for child in self.children:103            if not child.locales or deep:104                child.set_locales(locales, deep=deep)105            else:106                locs = [loc for loc in locales if loc in child.locales]107                child.set_locales(locs)108    @property109    def configs(self):110        'Recursively get all configs in this project and its children'111        yield self112        for child in self.children:113            for config in child.configs:114                yield config115    def filter(self, l10n_file, entity=None):116        '''Filter a localization file or entities within, according to117        this configuration file.'''118        if self.filter_py is not None:119            return self.filter_py(l10n_file.module, l10n_file.file,120                                  entity=entity)121        rv = self._filter(l10n_file, entity=entity)122        if rv is None:123            return 'ignore'124        return rv125    class FilterCache(object):126        def __init__(self, locale):127            self.locale = locale128            self.rules = []129            self.l10n_paths = []130    def cache(self, locale):131        if self._cache and self._cache.locale == locale:132            return self._cache133        self._cache = self.FilterCache(locale)134        for paths in self.paths:135            self._cache.l10n_paths.append(paths['l10n'].with_env({136                "locale": locale137            }))138        for rule in self.rules:139            cached_rule = rule.copy()140            cached_rule['path'] = rule['path'].with_env({141                "locale": locale142            })143            self._cache.rules.append(cached_rule)144        return self._cache145    def _filter(self, l10n_file, entity=None):146        actions = set(147            child._filter(l10n_file, entity=entity)148            for child in self.children)149        if 'error' in actions:150            # return early if we know we'll error151            return 'error'152        cached = self.cache(l10n_file.locale)153        if any(p.match(l10n_file.fullpath) for p in cached.l10n_paths):154            action = 'error'155            for rule in reversed(cached.rules):156                if not rule['path'].match(l10n_file.fullpath):157                    continue158                if ('key' in rule) ^ (entity is not None):159                    # key/file mismatch, not a matching rule160                    continue161                if 'key' in rule and not rule['key'].match(entity):162                    continue163                action = rule['action']164                break165            actions.add(action)166        if 'error' in actions:167            return 'error'168        if 'warning' in actions:169            return 'warning'170        if 'ignore' in actions:171            return 'ignore'172    def _compile_rule(self, rule):173        assert 'path' in rule174        if isinstance(rule['path'], list):175            for path in rule['path']:176                _rule = rule.copy()177                _rule['path'] = Matcher(path, env=self.environ, root=self.root)178                for __rule in self._compile_rule(_rule):179                    yield __rule180            return181        if isinstance(rule['path'], six.string_types):182            rule['path'] = Matcher(183                rule['path'], env=self.environ, root=self.root184            )185        if 'key' not in rule:186            yield rule187            return188        if not isinstance(rule['key'], six.string_types):189            for key in rule['key']:190                _rule = rule.copy()191                _rule['key'] = key192                for __rule in self._compile_rule(_rule):193                    yield __rule194            return195        rule = rule.copy()196        key = rule['key']197        if key.startswith('re:'):198            key = key[3:]199        else:200            key = re.escape(key) + '$'201        rule['key'] = re.compile(key)...

language.py

Source:language.py

1import os2import string3class CompileRule(object):4    def __init__(self, compile_rule, exec_rule=None, time_limits=8):5        self._compile_rule = compile_rule6        self._exec_rule = './exec' if exec_rule is None else exec_rule7        self.time_limits = time_limits8    def compile(self, source):9        workspace = source.parent10        print('Compiling ...')11        print(source)12        com = string.Template(self._compile_rule).substitute(13            source=source.name)14        print('$', com)15        result = os.system('cd {} && {}'.format(workspace, com))16        return result17    def execute(self, source, testcase, output):18        workspace = source.parent19        com = string.Template(self._exec_rule).substitute(name=source.stem)20        result = os.system('cd {} && timeout -s 9 {} {} < {} > {}'.format(21            workspace, self.time_limits, com, testcase, output.name))22        return result23class CompileRuleP(CompileRule):24    def __init__(self, compiler, flags, time_limits=8):25        self._compile_rule = '{} -o exec ${source} {}'.format(26            compiler, flags, source='{source}')27        self._exec_rule = './exec'28        self.time_limits = time_limits29class ScriptRule(CompileRule):30    def __init__(self, exec_rule, time_limits=40):31        self._exec_rule = exec_rule32        self.time_limits = time_limits33    def compile(self, source):34        return 035rule_from_language = {36    'c': CompileRuleP(37        os.getenv('CC', 'gcc'),38        os.getenv('CCFLAGS', '-O2 -Wall')),39    'cpp': CompileRuleP(40        os.getenv('CXX', 'g++'),41        os.getenv('CXXFLAGS', '-O2 --std=c++14 -Wall')),42    'cs': CompileRule(43        'mcs -warn:0 -o+ -r:System.Numerics ${source}',44        'mono ${name}.exe', 16),45    'd': CompileRule(46        'dmd -m64 -w -O -release -inline ${source}',47        './${name}', 12),48    'go': ScriptRule(49        'go run ${name}.go', 20),50    'hs': CompileRuleP(51        os.getenv('GHC', 'ghc'),52        os.getenv('GHCFLAGS', '-O2'), 12),53    'java': CompileRule(54        'javac ${source}',55        'java -Xms512m ${name}', 16),56    'ml': CompileRuleP(57        os.getenv('OCAMLOPT', 'ocamlfind ocamlopt'),58        os.getenv('OCAMLOPTFLAGS',59                  '-linkpkg -thread -package str,num,threads,batteries'), 12),60    'rs': CompileRuleP('rustc', '-O'),61    'py': ScriptRule('/usr/bin/env python ${name}.py'),62    'rb': ScriptRule('ruby ${name}.rb'),...

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